Lack of mutations in the human telomerase RNA component (hTERC) gene in Fanconi's anemia. [Carta] - Calado, Rodrigo, T.; Pintão, Maria Carolina; Rocha, Vanderson; Falcão, Roberto Passetto; Bitencourt, Marco A.; Silva Júnior, Wilson Araújo da; Gluckman, Eliane; Pasquini, Ricardo; Zago, Marco Antônio (Haematologica, 2004)